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v3.25.2

Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024 | Jul. 02, 2024 | Feb. 28, 2023
3.125% Exchangeable senior debentures due 2053 |  |  |  |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |  |  |  |
Interest rate (as a percent) | 3.125% |  | 3.125% |  | 3.125% | 3.125% | 3.125%
3.125% Exchangeable senior debentures due 2054 |  |  |  |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |  |  |  |
Interest rate (as a percent) | 3.125% |  | 3.125% |  | 3.125% | 3.125% |
Recognition of previously unrecognized gains | $ 53 |  | $ 53 |  |  |  |
Exchangeable senior debentures |  |  |  |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |  |  |  |
Change in fair value | $ 8 | $ 5 | (9) | $ (15) |  |  |
Cumulative change |  |  | $ 20 |  |  |  |

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